code: def test_nlargest_boolean(self, data, expected):
      # GH#26154 : ensure True > False
      ser = Series(data)
      result = ser.nlargest(1)
      expected = Series(expected)
      tm.assert_series_equal(result, expected)
  
file_path: pandas/pandas/tests/series/methods/test_nlargest.py
imports: import numpy
  import pytest
  import pandas
  from pandas import Series
  import pandas._testing
label_desc: Use image node_id 9 for calling the TestSeriesNLargestNSmallest obj's underlying member method code with example usage: obj.test_nlargest_boolean(data, expected) without return types